Where is the relay located on my Ford Expedition 2003?

On a 2003 Ford Expedition, the relay is typically located in the power distribution box under the hood. This box is found near the battery, and you can identify the specific relay you need by referencing the diagram on the inside of the box cover. Additionally, some relays may also be located in the fuse box inside the vehicle, usually found under the dashboard. Always consult your owner's manual for the exact location and identification of relays.